CN104112015A - DOM (document object model) and XML (extensible markup language) path language based intelligent substation SCD (substation configuration description) file parsing method - Google Patents
DOM (document object model) and XML (extensible markup language) path language based intelligent substation SCD (substation configuration description) file parsing method Download PDFInfo
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- G06F16/80—Information retrieval; Database structures therefor; File system structures therefor of semi-structured data, e.g. markup language structured data such as SGML, XML or HTML
Abstract
The invention relates to a DOM (document object model) and XML (extensible markup language) path language based intelligent substation SCD (substation configuration description) file parsing method. The intelligent substation SCD file parsing method is characterized by including the steps: S01, displaying data in an SCD file in the form of a tree in a DOM API (application programming interface); S02, accessing any node in the tree by means of traversing from a root node; S03, searching a required node set according to the XML path language technology and processing the node set so as to parse virtual terminals, a virtual terminal connection relation and telemetering, remote signaling, remote regulating and remote control systems of an intelligent substation. The DOM and XML path language based intelligent substation SCD file parsing method has the advantages that by the aid of the XML path language technology, the required node set is searched directly at first and then is processed, direct access and filtering operations of all the nodes are avoided, a program is simplified, and data processing efficiency is improved substantially.
Description
Technical field
The present invention relates to intelligent substation technology, particularly the intelligent substation SCD document analysis method based on DOM and XML Path Language.
Background technology
Existing intelligent substation SCD document analysis technology, resolves based on TinyXML analytical tool.Read SCD file by TinyXML and build up a DOM and set, this DOM tree adopts firstchild-nextsibling tree to realize.In TinyXML, each node is all preserved first child (first child node), last child (last child node), next sibling (next adjacent node), these 5 relevant node pointers of previous sibling (previous adjacent node), parent (father node) of this node, thereby builds up whole tree construction being convenient to traversal.This comes from Guo Jiansheng, Wu Wenxuan, Wang Yunmao, Liang Manshu, Zhang Huahui. the parsing of the intelligent substation SCD file based on TinyXML. and electric power and the 31st the 3rd phase of volume of electrician .2011 in September.
Existing intelligent substation SCD document analysis technology, need to add third party's instrument and use cumbersomely, and when information extraction, the cumbersome execution efficiency of secondary development is low.
Summary of the invention
In view of this, the object of this invention is to provide a kind of intelligent substation SCD document analysis method based on DOM and XML Path Language, avoided directly, to the filter operation that conducts interviews of all nodes, having simplified program, and significantly having improved data-handling efficiency.
The present invention adopts following scheme to realize: a kind of intelligent substation SCD document analysis method based on DOM and XML path language, is characterized in that: step S01: by DOM API, the data in SCD document are shown with the form of tree;
Step S02: by the traversal starting from root node, have access to the arbitrary node in tree;
Step S03: search the set of node needing by XML Path Language technology, then set of node is processed, to resolve the empty terminal of intelligent substation, empty terminal annexation and four distant.
In an embodiment of the present invention, in described step S01, the data in SCD document being shown with the form of tree is to adopt C# language, needs to add XML header file; With LoadXmlFile (SCD) function loading SCD file, can in internal memory, form a dom tree.
In an embodiment of the present invention, the mode that described step SO2S realizes: search the root node of an XML document, according to the tag name providing find out corresponding element, obtain to all child nodes of egress, obtain to the father node of egress, obtain an element tag name, obtain the associated data of an element and obtain the value of an element.
In an embodiment of the present invention, in described step S03, searching by XML Path Language technology the set of node needing is to utilize SelectNode(Xpath, namespace) function searches the set of node of feature NameSpace.
In an embodiment of the present invention, the described SelectNode(Xpath that utilizes, namespace) the conventional function of set of node that function is searched feature NameSpace has: search present node whole child nodes, determine node according to given label, and find this node all father nodes, determine node according to given attribute, and find out n node of this node and obtain all nodes without specified attribute.
In an embodiment of the present invention, after described step S03, also comprise the reference list reference of output matching, described reference list is a form, first of form is classified dataset name as, the run after fame reference of the IED that is called PL2201B of secondary series, the 4th classifies the annotation of reference as, and the 5th classifies the Chinese of IED as, and the tenth classifies the model of IED as.
The present invention utilizes XML Path Language technology, first directly searches the set of node needing, and then set of node is processed, and has avoided directly, to the filter operation that conducts interviews of all nodes, having simplified program, and significantly having improved data-handling efficiency.
Brief description of the drawings
Fig. 1 is the inventive method flow process simplified diagram.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can more be become apparent, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Set forth detail in the following description so that fully understand the present invention.But the present invention can be different from alternate manner described here and implements with multiple, and those skilled in the art can do similar popularization without prejudice to intension of the present invention in the situation that.Therefore the present invention is not subject to the restriction of following public embodiment.
As shown in Figure 1, it is a kind of based on DOM and XML path language (XML Path Language that the present embodiment provides, Xpath) intelligent substation SCD document analysis method, is characterized in that: step S01: by DOM API, the data in SCD document are shown with the form of tree;
Step S02: by the traversal starting from root node, have access to the arbitrary node in tree;
Step S03: search the set of node needing by XML Path Language technology, then set of node is processed, to resolve the empty terminal of intelligent substation, empty terminal annexation and four distant.
In order better to realize the foundation of tree, in the present embodiment, in described step S01, the data in SCD document being shown with the form of tree is to adopt C# language, needs to add XML header file; With LoadXmlFile (SCD) function loading SCD file, can in internal memory, form a dom tree.
In an embodiment of the present invention, the mode that described step SO2S realizes: search the root node of an XML document, according to the tag name providing find out corresponding element, obtain to all child nodes of egress, obtain to the father node of egress, obtain an element tag name, obtain the associated data of an element and obtain the value of an element.
In an embodiment of the present invention, in described step S03, searching by XML Path Language technology the set of node needing is to utilize SelectNode(Xpath, namespace) function searches the set of node of feature NameSpace.
In an embodiment of the present invention, the described SelectNode(Xpath that utilizes, namespace) the conventional function of set of node that function is searched feature NameSpace has: search present node whole child nodes, determine node according to given label, and find this node all father nodes, determine node according to given attribute, and find out n node of this node and obtain all nodes without specified attribute.
Refer to table 1, in an embodiment of the present invention, after described step S03, also comprise the reference list reference of output matching, described reference list is a form, first of form is classified dataset name as, the run after fame reference of the IED that is called PL2201B of secondary series, and the 4th classifies the annotation of reference as, the 5th classifies the Chinese of IED as, and the tenth classifies the model of IED as.
Table 1
Although the present invention with preferred embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; can utilize method and the technology contents of above-mentioned announcement to make possible variation and amendment to technical solution of the present invention; therefore; every content that does not depart from technical solution of the present invention; any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present invention, all belong to the protection domain of technical solution of the present invention.The foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (6)
1. the intelligent substation SCD document analysis method based on DOM and XML path language, is characterized in that: step S01: by DOM API, the data in SCD document are shown with the form of tree;
Step S02: by the traversal starting from root node, have access to the arbitrary node in tree;
Step S03: search the set of node needing by XML Path Language technology, then set of node is processed, to resolve the empty terminal of intelligent substation, empty terminal annexation and four distant.
2. the intelligent substation SCD document analysis method based on DOM and XML path language according to claim 1, it is characterized in that: in described step S01, the data in SCD document being shown with the form of tree is to adopt C# language, needs to add XML header file; With LoadXmlFile (SCD) function loading SCD file, can in internal memory, form a dom tree.
3. the intelligent substation SCD document analysis method based on DOM and XML path language according to claim 1, is characterized in that: the mode that described step SO2S realizes: search the root node of an XML document, according to the tag name providing find out corresponding element, obtain to all child nodes of egress, obtain to the father node of egress, obtain an element tag name, obtain the associated data of an element and obtain the value of an element.
4. the intelligent substation SCD document analysis method based on DOM and XML path language according to claim 1, it is characterized in that: in described step S03, searching by XML Path Language technology the set of node needing is to utilize SelectNode(Xpath, namespace) function searches the set of node of feature NameSpace.
5. the intelligent substation SCD document analysis method based on DOM and XML path language according to claim 4, it is characterized in that: the described SelectNode(Xpath of utilization, namespace) the conventional function of set of node that function is searched feature NameSpace has: search present node whole child nodes, determine node according to given label, and find this node all father nodes, determine node according to given attribute, and find out n node of this node and obtain all nodes without specified attribute.
6. the intelligent substation SCD document analysis method based on DOM and XML path language according to claim 1, it is characterized in that: the reference list reference that also comprises output matching after described step S03, described reference list is a form, first of form is classified dataset name as, the run after fame reference of the IED that is called PL2201B of secondary series, the 4th classifies the annotation of reference as, and the 5th classifies the Chinese of IED as, and the tenth classifies the model of IED as.
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| CN104750825A (en) * | 2015-03-31 | 2015-07-01 | 国家电网公司 | Intelligent substation SCD document rapid analysis method |
| CN105468856A (en) * | 2015-11-27 | 2016-04-06 | 中国电力科学研究院 | Electric energy metering device identification method in SCD (Substation Configuration Description) file on the basis of multi-keyword matching |
| CN106533777A (en) * | 2016-11-29 | 2017-03-22 | 广东工业大学 | Intelligent transformer station information flow path determination method based on matrix ranks and system |
| CN107506339A (en) * | 2017-08-08 | 2017-12-22 | 许继集团有限公司 | A kind of SCD nodes verification error localization method and device based on character skew |
| CN108874985A (en) * | 2018-06-12 | 2018-11-23 | 东方电子股份有限公司 | The distributed parsing configuration method of intelligent substation SCD file |
| WO2019148671A1 (en) * | 2018-01-30 | 2019-08-08 | 平安科技（深圳）有限公司 | Xml file parsing method, device, computer apparatus, and storage medium |
| CN110908962A (en) * | 2019-11-22 | 2020-03-24 | 南昌科晨电力试验研究有限公司 | SCD model rapid data processing method for intelligent substation |
| CN113079049A (en) * | 2021-03-31 | 2021-07-06 | 国网浙江省电力有限公司电力科学研究院 | Automatic network message aggregation analysis method, equipment and medium for intelligent substation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104346474A (en) * | 2014-11-19 | 2015-02-11 | 国家电网公司 | Quick analysis method for intelligent substation SCD (System Configuration Description) file |
| CN104346474B (en) * | 2014-11-19 | 2017-10-24 | 国家电网公司 | A kind of fast resolving method of intelligent substation SCD file |
| CN104750825A (en) * | 2015-03-31 | 2015-07-01 | 国家电网公司 | Intelligent substation SCD document rapid analysis method |
| CN104750825B (en) * | 2015-03-31 | 2017-11-21 | 国家电网公司 | A kind of intelligent substation SCD file fast resolving method |
| CN105468856A (en) * | 2015-11-27 | 2016-04-06 | 中国电力科学研究院 | Electric energy metering device identification method in SCD (Substation Configuration Description) file on the basis of multi-keyword matching |
| CN105468856B (en) * | 2015-11-27 | 2020-03-10 | 中国电力科学研究院 | Method for identifying electric energy metering equipment in SCD file based on multi-keyword matching |
| CN106533777A (en) * | 2016-11-29 | 2017-03-22 | 广东工业大学 | Intelligent transformer station information flow path determination method based on matrix ranks and system |
| CN107506339A (en) * | 2017-08-08 | 2017-12-22 | 许继集团有限公司 | A kind of SCD nodes verification error localization method and device based on character skew |
| WO2019148671A1 (en) * | 2018-01-30 | 2019-08-08 | 平安科技（深圳）有限公司 | Xml file parsing method, device, computer apparatus, and storage medium |
| CN108874985A (en) * | 2018-06-12 | 2018-11-23 | 东方电子股份有限公司 | The distributed parsing configuration method of intelligent substation SCD file |
| CN110908962A (en) * | 2019-11-22 | 2020-03-24 | 南昌科晨电力试验研究有限公司 | SCD model rapid data processing method for intelligent substation |
| CN113079049A (en) * | 2021-03-31 | 2021-07-06 | 国网浙江省电力有限公司电力科学研究院 | Automatic network message aggregation analysis method, equipment and medium for intelligent substation |
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Application publication date: 20141022 |